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Single Leaf Photosynthesis of Rice Plants under Field Conditions:III. Variation in single-leaf photosynthesis with time of day and its physiological base
Degree of depression in CER Evaporation rate Leaf positions Rice plants Single-leaf photosynthesis
2009/8/6
Under field conditions, the photosynthetic rate of single leaves (CER) declined with time of day even in the case where light intensity at the leaf surface was kept higher than the saturation point. T...
A Rapid Method for Estimating Stem Diameter in Rice Plants
Estimating Stem Diameter Rice Plants
2009/8/6
A Rapid Method for Estimating Stem Diameter in Rice Plants.
Effect of Foliar Application of Triacontanol on Growth and Yield of Rice Plants:II. Effect of the triacontanol concentration
Effective concentration Foliar application Growth Rice plants Triacontanol Yield
2009/8/6
In the previous paper it was reported that the yield of rice was increased by the foliar application of triacontanol (TRIA) at early growth stages. However, as the range of TRIA concentration used was...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants:XXXI. Four components participating in fertilization
Cooling injury Cooling tolerance Fertilization Microspore Pollen Rice
2009/8/5
We divided the developmental processes from microspore differentiation to fertilization into 4 phases and defined the component relating to fertilization in each phase. The percentage of fertilization...
Effects of Planting Density and Planting Patterns of Young Seedlings Transplanting on the Growth and Yield of Rice Plants
Density effect Grain yield Planting density Planting pattern Rice plant(Oryza sativa L.)
2009/8/4
This study was carried out to examine the effects of planting density and planting patterns in reference to various characteristics at the panicle formation, heading and maturing stages in rice plants...
Effects of Inabenfide on the Growth of Roots in Rice Plants (Oryza sativa L.)
Branch root Growth regulator Inabenfide Rice (Oryza sativa L.) Root system Shortening of culm length
2009/8/4
Effects of Inabenfide (SERITARD), a gibberellin biosynthesis inhibitor, on root growth of rice plants was examined in main stems of cv. 'Reiho' grown under field cndition in 1989 and per hill and per ...
Patterns of Soil Nitrogen Release in Paddy Fields of Warm Regions in Japan and Diagnosis of Fertilizer Application : II. Characteristics of soil nitrogen mineralization and nitrogen uptake patterns of rice plants in Fukuoka Prefecture
Amount of nitrogen uptake Fertilizer nitrogen Nitrogen mineralization Paddy soils Soil nitrogen
2009/8/4
Topsoils collected from various regions in Fukuoka Prefecture were incubated and the amount of mineralized nitrogen was measured. The relationship between the mineralized nitrogen amount (N) and the ...
Effects of Kinetin on the Development of Tillers in Rice Plants
Cytokinin Kinetin Light intensity Rice Tiller
2009/8/4
We observed the efffects of kinetin absorbed from roots on the growth of main stem and tillers in rice plants grown in solution culture. The growth of the plants in plant length, plant age expressed ...
Morphological Studies on the Regularity of Shoots Development in Rice Plants:IV. Structural regularity in the growth types of tillers and their mother shoots
Growth Growth type Leaf Morphogenesis Oryza sativa Rice plant Shoot development Tiller
2009/7/30
It has already shown that the main shoots of two different growth types coexist even in a precisely cultured plot. These types are : (i) N type with n leaves, (ii) N-1 type with n-1 leaves ; these typ...
Effects of Short Period Treatments at Low Temperature (9°C) on Growth of Rice Plants at the Tillering Stage
Growth Leaf blade length Leaf sheath length Low temperature Main stem Rice plant
2009/7/30
The rice plants cv. Sasanishiki (3 plants/pot) were moved into the controlled growth chamber at 9°C when half of the leaf blade (LB) of the 7th leaf (L7) was emerged (H plot) or when the whole 7th lea...
Regularity in Variation of Leaf Color and Nitrogen Distribution in Half-leaf Blades by Leaf Position on the Stems of Rice Plants:I. Variation of chlorophyll meter values and mechanism of leaf formation
Chlorophyll meter Concordance Cultivar Half-leaf blade Leaf blade width Leaf color
2009/7/29
We clarified that the degrees of the difference in color between outside and inside half-leaves were unexpectedly large, which ranged from 1.3 to 5.4 values by the Minolta chlorophyll meter SPAD-502 (...
Effect of Foliar Application of Triacontanol on Growth and Yield of Rice Plants : III. Its relevance to the development of roots
Foliar application Growth Rice plants Root activity Roots Triacontanol Weight of hulled rice
2009/7/29
The purpose of this study was to clarify the effects of triacontanol (TRIA) on the roots growth and the appearance stage of the effects, and to clarify the relationship between root development and hu...
Varietal Differences in the Responses of Yield Components of Rice Plants to Nitrogen-Free Basal Dressing Accompanied with Sparse Planting Density in the Tohoku Region of Japan
Nitrogen-free basal dressing Rice cultivars Sparse planting density Weather conditions Yield components
2009/7/28
Grain yield of rice plants is composed of different yield components that vary with the genotype, environmental condition and cultivation practice. Experiments were conducted in 1999, 2000 and 2001 in...
Morphological Studies on the Regularity of Shoot Development in Rice Plants : VI. The regular relationship between leaf primordia developments in the main shoot and primary tiller buds
Anatomy Differentiation Leaf primordium Oryza sativa L Plastochron Rice plant Shoot apex
2009/7/28
Rice cv. Koshihikari was seeded and grown for three years. Seedlings were dissected under a stereoscopic microscope for anatomical studies at the following stages; in n.1 age when the (n+1)-th lamina...
Effects of Planting Pattern on the Interception of Solar Radiation by the Canopy and the Light Extinction Coefficient of the Canopy in Rice Plants Direct-sown in a Submerged Paddy Field
Crop growth rate Direct sowing Interception of solar radiation Light-intercepting characteristics Planting pattern Rice
2009/7/24
In order to investigate effects of planting pattern on the interception of solar radiation by the canopy and the light extinction coefficient of the canopy in rice, the rice plants direct-sown in a su...